// --------------------------------------------------------------------------------------------------------------------
// <copyright file="KinectTestAgent.cs" company="Microsoft Corporation">
// The MIT License (MIT)
// 
// Copyright (c) 2014, Microsoft Corporation
// 
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// --------------------------------------------------------------------------------------------------------------------
namespace Microsoft.Robotics.Navigation.Runtime.UnitTests
{
    using System.Runtime.Serialization;

    using Microsoft.Robotics.Runtime;
    using Microsoft.Robotics.Vision.Cameras;
    using Microsoft.Robotics.Vision.Runtime.Cameras;

    /// <summary>
    /// The delegate to pass on the kinect depth message for the unit test framework.
    /// </summary>
    /// <param name="message">The Kinect agent message</param>
    public delegate void KinectMessageProc(DepthCameraAgentMessage<KinectDepthCameraParameters> message);

    /// <summary>
    /// A simple subscriber that publishes what it receives.
    /// </summary>
    [DataContract]
    public class KinectTestAgent : ConsumerProducerAgent<DepthCameraAgentMessage<KinectDepthCameraParameters>, DepthCameraAgentMessage<KinectDepthCameraParameters>>
    {
        /// <summary>
        /// Initializes a new instance of the KinectTestAgent class.
        /// </summary>
        /// <param name="name">The name of the agent instance.</param>
        /// <param name="producer">The name of the producer to hook up to.</param>
        public KinectTestAgent(string name, string producer)
            : base(name, producer)
        {
        }

        /// <summary>
        /// Gets or sets the message proc delegate
        /// </summary>
        public KinectMessageProc MessageProc { get; set; }

        /// <summary>
        /// Receive the depth message and save png file to disk
        /// </summary>
        /// <param name="input">The message to process.</param>
        public override void Receive(DepthCameraAgentMessage<KinectDepthCameraParameters> input)
        {
            if (this.MessageProc != null)
            {
                this.MessageProc(input);
            }

            this.Publisher.Post(input);
        }
    }
}
